: Format a USB flash drive to FAT32 and copy the extracted file (usually named CtvUpgrade.bin or similar) to the root directory (not inside any folder). Installation Steps
: Download all required parts (Part 1, Part 2, and Part 3) into the same folder on your computer. Download CV338H A42 1366x768 Aiwa part3 rar
: Press and hold the Power button on the TV (not the remote). : Format a USB flash drive to FAT32
Ensure you are using the correct resolution (1366x768) for your specific panel. Using the wrong resolution firmware can result in a "blank" or "flipped" screen. If you tell me more, I can help further with: Finding Part 1 or Part 2 if you are missing them. Checking your Panel Number to ensure compatibility. Troubleshooting if the USB update doesn't start. CV338H-A42-512MB-4GB-USB UPDATABLE FIRMWARE Ensure you are using the correct resolution (1366x768)
: Keep holding the button until the "Software Upgrading" screen appears. The TV will restart automatically once it reaches 100%. Where to Find the Firmware
Once the file is on your USB drive, follow these steps to update your TV: